Question

PLEASE SOMEONE BE A LEGEND AND ANSWER THIS QUESTION ASAP!!!!!!!

Answer 1

Answer:

$a=2$

Step-by-step explanation:

$f\left(x\right)=x^3+2x^2-7x+a\\\\x-2=0\quad\rightarrow \quad x=2\\\\f(2)=2^3+2\cdot \:2^2-7\cdot \:2+a\\\\4=2^3+2\cdot 2^2-7\cdot 2+a\\\\\Rightarrow a=2$

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